00951cam a22002771 4500 gs 10000618 DLC 20260227111310.0 791025s1910 sduab b 000 0 eng c gs 10000618 (OCoLC)5586910 Library, U. S. Geological Survey SdU DLC premarc n-us-sd TN24.S8 A3 No. 9 (265) S2b no.9 O'Harra, Cleophas C. (Cleophas Cisney), 1866-1935. The Badland formations of the Black Hills region, by Cleophas C. O'Harra. Rapid City, S. Dak., 1910. 2 p. l., [7], [11]-152 p. ill., 50 pl. (incl. fold. map) 23 cm. South Dakota school of mines. Bulletin no. 9. Department of geology. Bibliography: p. 135-144. Geology South Dakota. Geology, Stratigraphic Tertiary. Vertebrates, Fossil. 24972 24972